The hex color #cf543b is a dark color. The web-safe version is Hex
#CC6633. A complementary color is
#30ABC4. The grayscale version is
#757575. A 20% lighter version of the original color is
#FF876E, and Hex
#9C2108 is the 20% darker color. If the color is saturated by 10%, you get
#D85135. If the color is desaturated by 10%, the color
#C65741 is obtained.